Add cinder metadata for memcache security strategy

PROD-22099

Change-Id: I36de03a2a32d94d7995018c1812a0eb841dc68c4
diff --git a/cinder/control/cluster.yml b/cinder/control/cluster.yml
index e34f55c..b56f46f 100644
--- a/cinder/control/cluster.yml
+++ b/cinder/control/cluster.yml
@@ -83,4 +83,7 @@
           port: 11211
         - host: ${_param:cluster_node03_address}
           port: 11211
-
+        security:
+          enabled: ${_param:cinder_memcache_security_enabled}
+          strategy: ${_param:openstack_memcache_security_strategy}
+          secret_key: ${_param:cinder_memcache_secret_key}